Overview

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This course provides a comprehensive understanding of steam turbine lubrication, gland sealing, and drain systems, essential for safe and efficient turbine operation in thermal power plants. It begins with turbine lube oil systems, covering types, bearing lubrication mechanisms, hydrostatic principles, journal and thrust bearings, bearing pedestals, and components of the lubrication system. Learners explore turning, jacking, and main oil systems, including oil pumps, purification, storage, and industry practices for operation and maintenance. The course covers turbine gland sealing systems, explaining purposes, arrangements, types of seals, rotor gland mechanisms, supporting equipment, circuit operation, and valve stem leak systems. Learners also study turbine drain systems, including operation, protection devices, and types of valves with their construction. Detailed piping layouts, equipment arrangements, and operational considerations are included to ensure reliability and longevity. This specialization equips learners with the skills to manage lubrication, sealing, and drainage effectively, ensuring optimal turbine performance and minimizing mechanical risks in power plant operations.

Syllabus

Steam Turbine Lube Oil Systems
- This module provides a comprehensive understanding of steam turbine lubrication systems and their importance in ensuring reliable and efficient turbine operation. It covers the types and functions of lube oil systems, bearing lubrication principles, hydrostatic lubrication mechanisms, journal and thrust bearings, bearing pedestal arrangements, and lubrication system components. The module also explains turning oil systems, jacking oil systems, main oil systems, lubrication industry practices, oil pumps, lube oil purification and storage, system operation, turning gear and coupling lubrication systems, as well as equipment and piping layouts.
Steam Turbine Gland Sealing System and Drain Systems
- This module provides detailed knowledge of steam turbine gland sealing systems, steam leakage control mechanisms, and turbine drain systems. It covers the purpose and arrangement of gland seals, types of gland sealing systems, valve stem leak systems, process flow circuits, supporting equipment, rotor gland sealing mechanisms, gland seal configurations, and gland steam condenser operation. The module also explains steam turbine drain system operation, turbine protection devices, and various valve types and construction features used for safe and efficient turbine operation.